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Finding the Third Proportional to 142,470,930 and 225,779,531

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Solution

The third proportional to 142,470,930 and 225,779,531 is: 357,802,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,470,930 : 225,779,531 = 225,779,531 : x
  2. Step 2: Convert to fraction form
    142,470,930/225,779,531 = 225,779,531/x
  3. Step 3: Cross multiply
    142,470,930x = 225,779,531 × 225,779,531
  4. Step 4: Simplify right side
    142,470,930x = 50,976,396,618,579,960
  5. Step 5: Solve for x
    x = 50,976,396,618,579,960/142,470,930
  6. Step 6: Final answer
    x = 357,802,090.70

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.