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Finding the Third Proportional to 900,290 and 1,425,603

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Solution

The third proportional to 900,290 and 1,425,603 is: 2,257,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,290 : 1,425,603 = 1,425,603 : x
  2. Step 2: Convert to fraction form
    900,290/1,425,603 = 1,425,603/x
  3. Step 3: Cross multiply
    900,290x = 1,425,603 × 1,425,603
  4. Step 4: Simplify right side
    900,290x = 2,032,343,913,609
  5. Step 5: Solve for x
    x = 2,032,343,913,609/900,290
  6. Step 6: Final answer
    x = 2,257,432.51

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.