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Finding the Third Proportional to 4,314,959 and 9,302,421

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Solution

The third proportional to 4,314,959 and 9,302,421 is: 20,054,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314,959 : 9,302,421 = 9,302,421 : x
  2. Step 2: Convert to fraction form
    4,314,959/9,302,421 = 9,302,421/x
  3. Step 3: Cross multiply
    4,314,959x = 9,302,421 × 9,302,421
  4. Step 4: Simplify right side
    4,314,959x = 86,535,036,461,241
  5. Step 5: Solve for x
    x = 86,535,036,461,241/4,314,959
  6. Step 6: Final answer
    x = 20,054,660.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.