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Finding the Third Proportional to 388,752 and 634,796

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Solution

The third proportional to 388,752 and 634,796 is: 1,036,563.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,752 : 634,796 = 634,796 : x
  2. Step 2: Convert to fraction form
    388,752/634,796 = 634,796/x
  3. Step 3: Cross multiply
    388,752x = 634,796 × 634,796
  4. Step 4: Simplify right side
    388,752x = 402,965,961,616
  5. Step 5: Solve for x
    x = 402,965,961,616/388,752
  6. Step 6: Final answer
    x = 1,036,563.06

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.