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Finding the Third Proportional to 103,213 and 157,487.50

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Solution

The third proportional to 103,213 and 157,487.50 is: 240,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,213 : 157,487.50 = 157,487.50 : x
  2. Step 2: Convert to fraction form
    103,213/157,487.50 = 157,487.50/x
  3. Step 3: Cross multiply
    103,213x = 157,487.50 × 157,487.50
  4. Step 4: Simplify right side
    103,213x = 24,802,312,656.25
  5. Step 5: Solve for x
    x = 24,802,312,656.25/103,213
  6. Step 6: Final answer
    x = 240,302.22

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.