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Finding the Third Proportional to 28,418,810 and 61,616,856.25

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Solution

The third proportional to 28,418,810 and 61,616,856.25 is: 133,595,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,418,810 : 61,616,856.25 = 61,616,856.25 : x
  2. Step 2: Convert to fraction form
    28,418,810/61,616,856.25 = 61,616,856.25/x
  3. Step 3: Cross multiply
    28,418,810x = 61,616,856.25 × 61,616,856.25
  4. Step 4: Simplify right side
    28,418,810x = 3,796,636,974,133,164
  5. Step 5: Solve for x
    x = 3,796,636,974,133,164/28,418,810
  6. Step 6: Final answer
    x = 133,595,916.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.