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Finding the Third Proportional to 28,817,842.50 and 63,242,361

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Solution

The third proportional to 28,817,842.50 and 63,242,361 is: 138,788,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817,842.50 : 63,242,361 = 63,242,361 : x
  2. Step 2: Convert to fraction form
    28,817,842.50/63,242,361 = 63,242,361/x
  3. Step 3: Cross multiply
    28,817,842.50x = 63,242,361 × 63,242,361
  4. Step 4: Simplify right side
    28,817,842.50x = 3,999,596,224,854,321
  5. Step 5: Solve for x
    x = 3,999,596,224,854,321/28,817,842.50
  6. Step 6: Final answer
    x = 138,788,884.87

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.