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Finding the Third Proportional to 563,908 and 1,215,840

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Solution

The third proportional to 563,908 and 1,215,840 is: 2,621,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,908 : 1,215,840 = 1,215,840 : x
  2. Step 2: Convert to fraction form
    563,908/1,215,840 = 1,215,840/x
  3. Step 3: Cross multiply
    563,908x = 1,215,840 × 1,215,840
  4. Step 4: Simplify right side
    563,908x = 1,478,266,905,600
  5. Step 5: Solve for x
    x = 1,478,266,905,600/563,908
  6. Step 6: Final answer
    x = 2,621,468.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.