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Finding the Third Proportional to 39,935,142 and 57,068,352

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Solution

The third proportional to 39,935,142 and 57,068,352 is: 81,552,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935,142 : 57,068,352 = 57,068,352 : x
  2. Step 2: Convert to fraction form
    39,935,142/57,068,352 = 57,068,352/x
  3. Step 3: Cross multiply
    39,935,142x = 57,068,352 × 57,068,352
  4. Step 4: Simplify right side
    39,935,142x = 3,256,796,799,995,904
  5. Step 5: Solve for x
    x = 3,256,796,799,995,904/39,935,142
  6. Step 6: Final answer
    x = 81,552,152.74

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.