Home / 1,403,901.50-2,172,002.25

Finding the Third Proportional to 1,403,901.50 and 2,172,002.25

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Solution

The third proportional to 1,403,901.50 and 2,172,002.25 is: 3,360,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,901.50 : 2,172,002.25 = 2,172,002.25 : x
  2. Step 2: Convert to fraction form
    1,403,901.50/2,172,002.25 = 2,172,002.25/x
  3. Step 3: Cross multiply
    1,403,901.50x = 2,172,002.25 × 2,172,002.25
  4. Step 4: Simplify right side
    1,403,901.50x = 4,717,593,774,005.06
  5. Step 5: Solve for x
    x = 4,717,593,774,005.06/1,403,901.50
  6. Step 6: Final answer
    x = 3,360,345.28

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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.