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Finding the Third Proportional to 66,334,127 and 143,533,756

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Solution

The third proportional to 66,334,127 and 143,533,756 is: 310,578,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,334,127 : 143,533,756 = 143,533,756 : x
  2. Step 2: Convert to fraction form
    66,334,127/143,533,756 = 143,533,756/x
  3. Step 3: Cross multiply
    66,334,127x = 143,533,756 × 143,533,756
  4. Step 4: Simplify right side
    66,334,127x = 20,601,939,111,467,536
  5. Step 5: Solve for x
    x = 20,601,939,111,467,536/66,334,127
  6. Step 6: Final answer
    x = 310,578,280.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.