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Finding the Third Proportional to 43,169,946 and 66,422,289

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Solution

The third proportional to 43,169,946 and 66,422,289 is: 102,198,887.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,169,946 : 66,422,289 = 66,422,289 : x
  2. Step 2: Convert to fraction form
    43,169,946/66,422,289 = 66,422,289/x
  3. Step 3: Cross multiply
    43,169,946x = 66,422,289 × 66,422,289
  4. Step 4: Simplify right side
    43,169,946x = 4,411,920,475,999,521
  5. Step 5: Solve for x
    x = 4,411,920,475,999,521/43,169,946
  6. Step 6: Final answer
    x = 102,198,887.99

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.