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Finding the Third Proportional to 19,528,269.75 and 42,528,219.75

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Solution

The third proportional to 19,528,269.75 and 42,528,219.75 is: 92,616,985.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528,269.75 : 42,528,219.75 = 42,528,219.75 : x
  2. Step 2: Convert to fraction form
    19,528,269.75/42,528,219.75 = 42,528,219.75/x
  3. Step 3: Cross multiply
    19,528,269.75x = 42,528,219.75 × 42,528,219.75
  4. Step 4: Simplify right side
    19,528,269.75x = 1,808,649,475,104,290
  5. Step 5: Solve for x
    x = 1,808,649,475,104,290/19,528,269.75
  6. Step 6: Final answer
    x = 92,616,985.44

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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.