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Finding the Third Proportional to 8,619,359.63 and 12,854,293.88

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Solution

The third proportional to 8,619,359.63 and 12,854,293.88 is: 19,169,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,359.63 : 12,854,293.88 = 12,854,293.88 : x
  2. Step 2: Convert to fraction form
    8,619,359.63/12,854,293.88 = 12,854,293.88/x
  3. Step 3: Cross multiply
    8,619,359.63x = 12,854,293.88 × 12,854,293.88
  4. Step 4: Simplify right side
    8,619,359.63x = 165,232,871,024,862.50
  5. Step 5: Solve for x
    x = 165,232,871,024,862.50/8,619,359.63
  6. Step 6: Final answer
    x = 19,169,970.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.