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Finding the Third Proportional to 28,517,172 and 61,579,776

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Solution

The third proportional to 28,517,172 and 61,579,776 is: 132,974,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517,172 : 61,579,776 = 61,579,776 : x
  2. Step 2: Convert to fraction form
    28,517,172/61,579,776 = 61,579,776/x
  3. Step 3: Cross multiply
    28,517,172x = 61,579,776 × 61,579,776
  4. Step 4: Simplify right side
    28,517,172x = 3,792,068,812,210,176
  5. Step 5: Solve for x
    x = 3,792,068,812,210,176/28,517,172
  6. Step 6: Final answer
    x = 132,974,925.15

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.