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Finding the Third Proportional to 30,516,004 and 42,768,078

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Solution

The third proportional to 30,516,004 and 42,768,078 is: 59,939,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,516,004 : 42,768,078 = 42,768,078 : x
  2. Step 2: Convert to fraction form
    30,516,004/42,768,078 = 42,768,078/x
  3. Step 3: Cross multiply
    30,516,004x = 42,768,078 × 42,768,078
  4. Step 4: Simplify right side
    30,516,004x = 1,829,108,495,814,084
  5. Step 5: Solve for x
    x = 1,829,108,495,814,084/30,516,004
  6. Step 6: Final answer
    x = 59,939,318.92

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.