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Finding the Third Proportional to 66,203,528 and 103,329,420

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Solution

The third proportional to 66,203,528 and 103,329,420 is: 161,274,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,203,528 : 103,329,420 = 103,329,420 : x
  2. Step 2: Convert to fraction form
    66,203,528/103,329,420 = 103,329,420/x
  3. Step 3: Cross multiply
    66,203,528x = 103,329,420 × 103,329,420
  4. Step 4: Simplify right side
    66,203,528x = 10,676,969,037,536,400
  5. Step 5: Solve for x
    x = 10,676,969,037,536,400/66,203,528
  6. Step 6: Final answer
    x = 161,274,925.37

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.