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Finding the Third Proportional to 255,875,730 and 393,052,944

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Solution

The third proportional to 255,875,730 and 393,052,944 is: 603,772,060.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,875,730 : 393,052,944 = 393,052,944 : x
  2. Step 2: Convert to fraction form
    255,875,730/393,052,944 = 393,052,944/x
  3. Step 3: Cross multiply
    255,875,730x = 393,052,944 × 393,052,944
  4. Step 4: Simplify right side
    255,875,730x = 154,490,616,787,067,136
  5. Step 5: Solve for x
    x = 154,490,616,787,067,136/255,875,730
  6. Step 6: Final answer
    x = 603,772,060.71

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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.