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Finding the Third Proportional to 2,718,364.50 and 4,318,602.75

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Solution

The third proportional to 2,718,364.50 and 4,318,602.75 is: 6,860,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,364.50 : 4,318,602.75 = 4,318,602.75 : x
  2. Step 2: Convert to fraction form
    2,718,364.50/4,318,602.75 = 4,318,602.75/x
  3. Step 3: Cross multiply
    2,718,364.50x = 4,318,602.75 × 4,318,602.75
  4. Step 4: Simplify right side
    2,718,364.50x = 18,650,329,712,307.56
  5. Step 5: Solve for x
    x = 18,650,329,712,307.56/2,718,364.50
  6. Step 6: Final answer
    x = 6,860,864.21

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.