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Finding the Third Proportional to 71,898,129 and 157,248,400.50

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Solution

The third proportional to 71,898,129 and 157,248,400.50 is: 343,917,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,898,129 : 157,248,400.50 = 157,248,400.50 : x
  2. Step 2: Convert to fraction form
    71,898,129/157,248,400.50 = 157,248,400.50/x
  3. Step 3: Cross multiply
    71,898,129x = 157,248,400.50 × 157,248,400.50
  4. Step 4: Simplify right side
    71,898,129x = 24,727,059,459,808,400
  5. Step 5: Solve for x
    x = 24,727,059,459,808,400/71,898,129
  6. Step 6: Final answer
    x = 343,917,982.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.