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Finding the Third Proportional to 30,715,300 and 66,113,048

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Solution

The third proportional to 30,715,300 and 66,113,048 is: 142,304,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,715,300 : 66,113,048 = 66,113,048 : x
  2. Step 2: Convert to fraction form
    30,715,300/66,113,048 = 66,113,048/x
  3. Step 3: Cross multiply
    30,715,300x = 66,113,048 × 66,113,048
  4. Step 4: Simplify right side
    30,715,300x = 4,370,935,115,850,304
  5. Step 5: Solve for x
    x = 4,370,935,115,850,304/30,715,300
  6. Step 6: Final answer
    x = 142,304,816.03

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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.