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Finding the Third Proportional to 38,543,400 and 56,749,788

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Solution

The third proportional to 38,543,400 and 56,749,788 is: 83,556,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,543,400 : 56,749,788 = 56,749,788 : x
  2. Step 2: Convert to fraction form
    38,543,400/56,749,788 = 56,749,788/x
  3. Step 3: Cross multiply
    38,543,400x = 56,749,788 × 56,749,788
  4. Step 4: Simplify right side
    38,543,400x = 3,220,538,438,044,944
  5. Step 5: Solve for x
    x = 3,220,538,438,044,944/38,543,400
  6. Step 6: Final answer
    x = 83,556,158.46

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.