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Finding the Third Proportional to 42,190,080 and 63,397,454

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Solution

The third proportional to 42,190,080 and 63,397,454 is: 95,264,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,190,080 : 63,397,454 = 63,397,454 : x
  2. Step 2: Convert to fraction form
    42,190,080/63,397,454 = 63,397,454/x
  3. Step 3: Cross multiply
    42,190,080x = 63,397,454 × 63,397,454
  4. Step 4: Simplify right side
    42,190,080x = 4,019,237,173,682,116
  5. Step 5: Solve for x
    x = 4,019,237,173,682,116/42,190,080
  6. Step 6: Final answer
    x = 95,264,981.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.