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Finding the Third Proportional to 99,575 and 157,748.50

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Solution

The third proportional to 99,575 and 157,748.50 is: 249,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,575 : 157,748.50 = 157,748.50 : x
  2. Step 2: Convert to fraction form
    99,575/157,748.50 = 157,748.50/x
  3. Step 3: Cross multiply
    99,575x = 157,748.50 × 157,748.50
  4. Step 4: Simplify right side
    99,575x = 24,884,589,252.25
  5. Step 5: Solve for x
    x = 24,884,589,252.25/99,575
  6. Step 6: Final answer
    x = 249,908.00

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.