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Finding the Third Proportional to 4,985,928 and 10,920,528

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Solution

The third proportional to 4,985,928 and 10,920,528 is: 23,918,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,928 : 10,920,528 = 10,920,528 : x
  2. Step 2: Convert to fraction form
    4,985,928/10,920,528 = 10,920,528/x
  3. Step 3: Cross multiply
    4,985,928x = 10,920,528 × 10,920,528
  4. Step 4: Simplify right side
    4,985,928x = 119,257,931,798,784
  5. Step 5: Solve for x
    x = 119,257,931,798,784/4,985,928
  6. Step 6: Final answer
    x = 23,918,903.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.