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Finding the Third Proportional to 2,153,428 and 3,136,666

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Solution

The third proportional to 2,153,428 and 3,136,666 is: 4,568,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,428 : 3,136,666 = 3,136,666 : x
  2. Step 2: Convert to fraction form
    2,153,428/3,136,666 = 3,136,666/x
  3. Step 3: Cross multiply
    2,153,428x = 3,136,666 × 3,136,666
  4. Step 4: Simplify right side
    2,153,428x = 9,838,673,595,556
  5. Step 5: Solve for x
    x = 9,838,673,595,556/2,153,428
  6. Step 6: Final answer
    x = 4,568,842.61

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.