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Finding the Third Proportional to 867,213 and 1,334,637

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Solution

The third proportional to 867,213 and 1,334,637 is: 2,054,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,213 : 1,334,637 = 1,334,637 : x
  2. Step 2: Convert to fraction form
    867,213/1,334,637 = 1,334,637/x
  3. Step 3: Cross multiply
    867,213x = 1,334,637 × 1,334,637
  4. Step 4: Simplify right side
    867,213x = 1,781,255,921,769
  5. Step 5: Solve for x
    x = 1,781,255,921,769/867,213
  6. Step 6: Final answer
    x = 2,054,000.48

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.