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Finding the Third Proportional to 66,248,622 and 144,779,436

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Solution

The third proportional to 66,248,622 and 144,779,436 is: 316,400,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,248,622 : 144,779,436 = 144,779,436 : x
  2. Step 2: Convert to fraction form
    66,248,622/144,779,436 = 144,779,436/x
  3. Step 3: Cross multiply
    66,248,622x = 144,779,436 × 144,779,436
  4. Step 4: Simplify right side
    66,248,622x = 20,961,085,088,478,096
  5. Step 5: Solve for x
    x = 20,961,085,088,478,096/66,248,622
  6. Step 6: Final answer
    x = 316,400,318.31

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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.