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Finding the Third Proportional to 59,478,243 and 90,926,909

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Solution

The third proportional to 59,478,243 and 90,926,909 is: 139,003,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,478,243 : 90,926,909 = 90,926,909 : x
  2. Step 2: Convert to fraction form
    59,478,243/90,926,909 = 90,926,909/x
  3. Step 3: Cross multiply
    59,478,243x = 90,926,909 × 90,926,909
  4. Step 4: Simplify right side
    59,478,243x = 8,267,702,780,294,281
  5. Step 5: Solve for x
    x = 8,267,702,780,294,281/59,478,243
  6. Step 6: Final answer
    x = 139,003,816.58

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.