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Finding the Third Proportional to 990,453 and 1,575,541

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Solution

The third proportional to 990,453 and 1,575,541 is: 2,506,256.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,453 : 1,575,541 = 1,575,541 : x
  2. Step 2: Convert to fraction form
    990,453/1,575,541 = 1,575,541/x
  3. Step 3: Cross multiply
    990,453x = 1,575,541 × 1,575,541
  4. Step 4: Simplify right side
    990,453x = 2,482,329,442,681
  5. Step 5: Solve for x
    x = 2,482,329,442,681/990,453
  6. Step 6: Final answer
    x = 2,506,256.68

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.