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Finding the Third Proportional to 17,506,980.75 and 28,128,715.50

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Solution

The third proportional to 17,506,980.75 and 28,128,715.50 is: 45,194,808.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,506,980.75 : 28,128,715.50 = 28,128,715.50 : x
  2. Step 2: Convert to fraction form
    17,506,980.75/28,128,715.50 = 28,128,715.50/x
  3. Step 3: Cross multiply
    17,506,980.75x = 28,128,715.50 × 28,128,715.50
  4. Step 4: Simplify right side
    17,506,980.75x = 791,224,635,679,940.25
  5. Step 5: Solve for x
    x = 791,224,635,679,940.25/17,506,980.75
  6. Step 6: Final answer
    x = 45,194,808.12

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.