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Finding the Third Proportional to 239,962,496 and 358,371,289

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Solution

The third proportional to 239,962,496 and 358,371,289 is: 535,208,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,962,496 : 358,371,289 = 358,371,289 : x
  2. Step 2: Convert to fraction form
    239,962,496/358,371,289 = 358,371,289/x
  3. Step 3: Cross multiply
    239,962,496x = 358,371,289 × 358,371,289
  4. Step 4: Simplify right side
    239,962,496x = 128,429,980,779,521,520
  5. Step 5: Solve for x
    x = 128,429,980,779,521,520/239,962,496
  6. Step 6: Final answer
    x = 535,208,555.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.