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Finding the Third Proportional to 209,707,428 and 314,561,175

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Solution

The third proportional to 209,707,428 and 314,561,175 is: 471,841,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,707,428 : 314,561,175 = 314,561,175 : x
  2. Step 2: Convert to fraction form
    209,707,428/314,561,175 = 314,561,175/x
  3. Step 3: Cross multiply
    209,707,428x = 314,561,175 × 314,561,175
  4. Step 4: Simplify right side
    209,707,428x = 98,948,732,817,380,624
  5. Step 5: Solve for x
    x = 98,948,732,817,380,624/209,707,428
  6. Step 6: Final answer
    x = 471,841,812.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.