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Finding the Third Proportional to 863,130 and 1,897,572

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Solution

The third proportional to 863,130 and 1,897,572 is: 4,171,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,130 : 1,897,572 = 1,897,572 : x
  2. Step 2: Convert to fraction form
    863,130/1,897,572 = 1,897,572/x
  3. Step 3: Cross multiply
    863,130x = 1,897,572 × 1,897,572
  4. Step 4: Simplify right side
    863,130x = 3,600,779,495,184
  5. Step 5: Solve for x
    x = 3,600,779,495,184/863,130
  6. Step 6: Final answer
    x = 4,171,769.60

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.