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Finding the Third Proportional to 855,440,218,417.50 and 1,812,868,880,557.50

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Solution

The third proportional to 855,440,218,417.50 and 1,812,868,880,557.50 is: 3,841,874,051,904.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,440,218,417.50 : 1,812,868,880,557.50 = 1,812,868,880,557.50 : x
  2. Step 2: Convert to fraction form
    855,440,218,417.50/1,812,868,880,557.50 = 1,812,868,880,557.50/x
  3. Step 3: Cross multiply
    855,440,218,417.50x = 1,812,868,880,557.50 × 1,812,868,880,557.50
  4. Step 4: Simplify right side
    855,440,218,417.50x = 3,286,493,578,093,803,201,363,968
  5. Step 5: Solve for x
    x = 3,286,493,578,093,803,201,363,968/855,440,218,417.50
  6. Step 6: Final answer
    x = 3,841,874,051,904.61

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.