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Finding the Third Proportional to 671,838 and 1,018,417.50

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Solution

The third proportional to 671,838 and 1,018,417.50 is: 1,543,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,838 : 1,018,417.50 = 1,018,417.50 : x
  2. Step 2: Convert to fraction form
    671,838/1,018,417.50 = 1,018,417.50/x
  3. Step 3: Cross multiply
    671,838x = 1,018,417.50 × 1,018,417.50
  4. Step 4: Simplify right side
    671,838x = 1,037,174,204,306.25
  5. Step 5: Solve for x
    x = 1,037,174,204,306.25/671,838
  6. Step 6: Final answer
    x = 1,543,786.16

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.