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Finding the Third Proportional to 145,623 and 317,598

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Solution

The third proportional to 145,623 and 317,598 is: 692,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,623 : 317,598 = 317,598 : x
  2. Step 2: Convert to fraction form
    145,623/317,598 = 317,598/x
  3. Step 3: Cross multiply
    145,623x = 317,598 × 317,598
  4. Step 4: Simplify right side
    145,623x = 100,868,489,604
  5. Step 5: Solve for x
    x = 100,868,489,604/145,623
  6. Step 6: Final answer
    x = 692,668.67

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.