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Finding the Third Proportional to 72,716,880 and 115,762,992

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Solution

The third proportional to 72,716,880 and 115,762,992 is: 184,291,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,716,880 : 115,762,992 = 115,762,992 : x
  2. Step 2: Convert to fraction form
    72,716,880/115,762,992 = 115,762,992/x
  3. Step 3: Cross multiply
    72,716,880x = 115,762,992 × 115,762,992
  4. Step 4: Simplify right side
    72,716,880x = 13,401,070,316,792,064
  5. Step 5: Solve for x
    x = 13,401,070,316,792,064/72,716,880
  6. Step 6: Final answer
    x = 184,291,052.05

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.