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Finding the Third Proportional to 153,056 and 330,705

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Solution

The third proportional to 153,056 and 330,705 is: 714,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,056 : 330,705 = 330,705 : x
  2. Step 2: Convert to fraction form
    153,056/330,705 = 330,705/x
  3. Step 3: Cross multiply
    153,056x = 330,705 × 330,705
  4. Step 4: Simplify right side
    153,056x = 109,365,797,025
  5. Step 5: Solve for x
    x = 109,365,797,025/153,056
  6. Step 6: Final answer
    x = 714,547.60

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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.