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Finding the Third Proportional to 221,239,152 and 318,703,656

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Solution

The third proportional to 221,239,152 and 318,703,656 is: 459,105,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,239,152 : 318,703,656 = 318,703,656 : x
  2. Step 2: Convert to fraction form
    221,239,152/318,703,656 = 318,703,656/x
  3. Step 3: Cross multiply
    221,239,152x = 318,703,656 × 318,703,656
  4. Step 4: Simplify right side
    221,239,152x = 101,572,020,347,766,336
  5. Step 5: Solve for x
    x = 101,572,020,347,766,336/221,239,152
  6. Step 6: Final answer
    x = 459,105,088.00

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.