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Finding the Third Proportional to 7,386,402 and 11,346,420

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Solution

The third proportional to 7,386,402 and 11,346,420 is: 17,429,493.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386,402 : 11,346,420 = 11,346,420 : x
  2. Step 2: Convert to fraction form
    7,386,402/11,346,420 = 11,346,420/x
  3. Step 3: Cross multiply
    7,386,402x = 11,346,420 × 11,346,420
  4. Step 4: Simplify right side
    7,386,402x = 128,741,246,816,400
  5. Step 5: Solve for x
    x = 128,741,246,816,400/7,386,402
  6. Step 6: Final answer
    x = 17,429,493.66

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