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Finding the Third Proportional to 73,712,930 and 160,390,396

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Solution

The third proportional to 73,712,930 and 160,390,396 is: 348,990,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,712,930 : 160,390,396 = 160,390,396 : x
  2. Step 2: Convert to fraction form
    73,712,930/160,390,396 = 160,390,396/x
  3. Step 3: Cross multiply
    73,712,930x = 160,390,396 × 160,390,396
  4. Step 4: Simplify right side
    73,712,930x = 25,725,079,129,036,816
  5. Step 5: Solve for x
    x = 25,725,079,129,036,816/73,712,930
  6. Step 6: Final answer
    x = 348,990,050.04

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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.