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Finding the Third Proportional to 4,557,242 and 9,896,880

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Solution

The third proportional to 4,557,242 and 9,896,880 is: 21,492,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,557,242 : 9,896,880 = 9,896,880 : x
  2. Step 2: Convert to fraction form
    4,557,242/9,896,880 = 9,896,880/x
  3. Step 3: Cross multiply
    4,557,242x = 9,896,880 × 9,896,880
  4. Step 4: Simplify right side
    4,557,242x = 97,948,233,734,400
  5. Step 5: Solve for x
    x = 97,948,233,734,400/4,557,242
  6. Step 6: Final answer
    x = 21,492,875.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.