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Finding the Third Proportional to 40,611,460 and 66,666,732

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Solution

The third proportional to 40,611,460 and 66,666,732 is: 109,438,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,611,460 : 66,666,732 = 66,666,732 : x
  2. Step 2: Convert to fraction form
    40,611,460/66,666,732 = 66,666,732/x
  3. Step 3: Cross multiply
    40,611,460x = 66,666,732 × 66,666,732
  4. Step 4: Simplify right side
    40,611,460x = 4,444,453,155,559,824
  5. Step 5: Solve for x
    x = 4,444,453,155,559,824/40,611,460
  6. Step 6: Final answer
    x = 109,438,398.81

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.