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Finding the Third Proportional to 58,721,808 and 121,572,672

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Solution

The third proportional to 58,721,808 and 121,572,672 is: 251,693,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,721,808 : 121,572,672 = 121,572,672 : x
  2. Step 2: Convert to fraction form
    58,721,808/121,572,672 = 121,572,672/x
  3. Step 3: Cross multiply
    58,721,808x = 121,572,672 × 121,572,672
  4. Step 4: Simplify right side
    58,721,808x = 14,779,914,577,219,584
  5. Step 5: Solve for x
    x = 14,779,914,577,219,584/58,721,808
  6. Step 6: Final answer
    x = 251,693,792.83

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.