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Finding the Third Proportional to 15,720,856 and 33,966,058

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Solution

The third proportional to 15,720,856 and 33,966,058 is: 73,386,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,720,856 : 33,966,058 = 33,966,058 : x
  2. Step 2: Convert to fraction form
    15,720,856/33,966,058 = 33,966,058/x
  3. Step 3: Cross multiply
    15,720,856x = 33,966,058 × 33,966,058
  4. Step 4: Simplify right side
    15,720,856x = 1,153,693,096,059,364
  5. Step 5: Solve for x
    x = 1,153,693,096,059,364/15,720,856
  6. Step 6: Final answer
    x = 73,386,149.97

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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.