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Finding the Third Proportional to 58,986,814 and 90,276,478

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Solution

The third proportional to 58,986,814 and 90,276,478 is: 138,163,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,986,814 : 90,276,478 = 90,276,478 : x
  2. Step 2: Convert to fraction form
    58,986,814/90,276,478 = 90,276,478/x
  3. Step 3: Cross multiply
    58,986,814x = 90,276,478 × 90,276,478
  4. Step 4: Simplify right side
    58,986,814x = 8,149,842,480,084,484
  5. Step 5: Solve for x
    x = 8,149,842,480,084,484/58,986,814
  6. Step 6: Final answer
    x = 138,163,801.83

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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.