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Finding the Third Proportional to 30,286,708 and 66,124,024

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Solution

The third proportional to 30,286,708 and 66,124,024 is: 144,366,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286,708 : 66,124,024 = 66,124,024 : x
  2. Step 2: Convert to fraction form
    30,286,708/66,124,024 = 66,124,024/x
  3. Step 3: Cross multiply
    30,286,708x = 66,124,024 × 66,124,024
  4. Step 4: Simplify right side
    30,286,708x = 4,372,386,549,952,576
  5. Step 5: Solve for x
    x = 4,372,386,549,952,576/30,286,708
  6. Step 6: Final answer
    x = 144,366,517.15

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.