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Finding the Third Proportional to 52,426,864.50 and 78,640,303.50

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Solution

The third proportional to 52,426,864.50 and 78,640,303.50 is: 117,960,465.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,426,864.50 : 78,640,303.50 = 78,640,303.50 : x
  2. Step 2: Convert to fraction form
    52,426,864.50/78,640,303.50 = 78,640,303.50/x
  3. Step 3: Cross multiply
    52,426,864.50x = 78,640,303.50 × 78,640,303.50
  4. Step 4: Simplify right side
    52,426,864.50x = 6,184,297,334,572,112
  5. Step 5: Solve for x
    x = 6,184,297,334,572,112/52,426,864.50
  6. Step 6: Final answer
    x = 117,960,465.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.