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Finding the Third Proportional to 9,318,761 and 20,020,708

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Solution

The third proportional to 9,318,761 and 20,020,708 is: 43,013,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318,761 : 20,020,708 = 20,020,708 : x
  2. Step 2: Convert to fraction form
    9,318,761/20,020,708 = 20,020,708/x
  3. Step 3: Cross multiply
    9,318,761x = 20,020,708 × 20,020,708
  4. Step 4: Simplify right side
    9,318,761x = 400,828,748,821,264
  5. Step 5: Solve for x
    x = 400,828,748,821,264/9,318,761
  6. Step 6: Final answer
    x = 43,013,094.64

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.