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Finding the Third Proportional to 8,685,577.50 and 12,775,482

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Solution

The third proportional to 8,685,577.50 and 12,775,482 is: 18,791,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,577.50 : 12,775,482 = 12,775,482 : x
  2. Step 2: Convert to fraction form
    8,685,577.50/12,775,482 = 12,775,482/x
  3. Step 3: Cross multiply
    8,685,577.50x = 12,775,482 × 12,775,482
  4. Step 4: Simplify right side
    8,685,577.50x = 163,212,940,332,324
  5. Step 5: Solve for x
    x = 163,212,940,332,324/8,685,577.50
  6. Step 6: Final answer
    x = 18,791,259.46

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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.