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Finding the Third Proportional to 64,712,578.22 and 91,023,110.86

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Solution

The third proportional to 64,712,578.22 and 91,023,110.86 is: 128,030,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,712,578.22 : 91,023,110.86 = 91,023,110.86 : x
  2. Step 2: Convert to fraction form
    64,712,578.22/91,023,110.86 = 91,023,110.86/x
  3. Step 3: Cross multiply
    64,712,578.22x = 91,023,110.86 × 91,023,110.86
  4. Step 4: Simplify right side
    64,712,578.22x = 8,285,206,710,518,071
  5. Step 5: Solve for x
    x = 8,285,206,710,518,071/64,712,578.22
  6. Step 6: Final answer
    x = 128,030,854.88

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.