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Finding the Third Proportional to 8,506,860 and 18,667,080

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Solution

The third proportional to 8,506,860 and 18,667,080 is: 40,962,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506,860 : 18,667,080 = 18,667,080 : x
  2. Step 2: Convert to fraction form
    8,506,860/18,667,080 = 18,667,080/x
  3. Step 3: Cross multiply
    8,506,860x = 18,667,080 × 18,667,080
  4. Step 4: Simplify right side
    8,506,860x = 348,459,875,726,400
  5. Step 5: Solve for x
    x = 348,459,875,726,400/8,506,860
  6. Step 6: Final answer
    x = 40,962,220.58

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.