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Finding the Third Proportional to 138,869,060 and 302,425,624

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Solution

The third proportional to 138,869,060 and 302,425,624 is: 658,615,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,869,060 : 302,425,624 = 302,425,624 : x
  2. Step 2: Convert to fraction form
    138,869,060/302,425,624 = 302,425,624/x
  3. Step 3: Cross multiply
    138,869,060x = 302,425,624 × 302,425,624
  4. Step 4: Simplify right side
    138,869,060x = 91,461,258,051,789,376
  5. Step 5: Solve for x
    x = 91,461,258,051,789,376/138,869,060
  6. Step 6: Final answer
    x = 658,615,087.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.