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Finding the Third Proportional to 145,992 and 314,772

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Solution

The third proportional to 145,992 and 314,772 is: 678,677.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,992 : 314,772 = 314,772 : x
  2. Step 2: Convert to fraction form
    145,992/314,772 = 314,772/x
  3. Step 3: Cross multiply
    145,992x = 314,772 × 314,772
  4. Step 4: Simplify right side
    145,992x = 99,081,411,984
  5. Step 5: Solve for x
    x = 99,081,411,984/145,992
  6. Step 6: Final answer
    x = 678,677.00

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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.