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Finding the Third Proportional to 145,954 and 314,708

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Solution

The third proportional to 145,954 and 314,708 is: 678,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,954 : 314,708 = 314,708 : x
  2. Step 2: Convert to fraction form
    145,954/314,708 = 314,708/x
  3. Step 3: Cross multiply
    145,954x = 314,708 × 314,708
  4. Step 4: Simplify right side
    145,954x = 99,041,125,264
  5. Step 5: Solve for x
    x = 99,041,125,264/145,954
  6. Step 6: Final answer
    x = 678,577.67

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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.