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Finding the Third Proportional to 2,153,715 and 3,334,423

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Solution

The third proportional to 2,153,715 and 3,334,423 is: 5,162,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,715 : 3,334,423 = 3,334,423 : x
  2. Step 2: Convert to fraction form
    2,153,715/3,334,423 = 3,334,423/x
  3. Step 3: Cross multiply
    2,153,715x = 3,334,423 × 3,334,423
  4. Step 4: Simplify right side
    2,153,715x = 11,118,376,742,929
  5. Step 5: Solve for x
    x = 11,118,376,742,929/2,153,715
  6. Step 6: Final answer
    x = 5,162,417.84

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.