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Finding the Third Proportional to 55,676,610 and 85,178,979

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Solution

The third proportional to 55,676,610 and 85,178,979 is: 130,314,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,676,610 : 85,178,979 = 85,178,979 : x
  2. Step 2: Convert to fraction form
    55,676,610/85,178,979 = 85,178,979/x
  3. Step 3: Cross multiply
    55,676,610x = 85,178,979 × 85,178,979
  4. Step 4: Simplify right side
    55,676,610x = 7,255,458,463,482,441
  5. Step 5: Solve for x
    x = 7,255,458,463,482,441/55,676,610
  6. Step 6: Final answer
    x = 130,314,300.09

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.