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Finding the Third Proportional to 21,017,004 and 45,276,168

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Solution

The third proportional to 21,017,004 and 45,276,168 is: 97,536,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017,004 : 45,276,168 = 45,276,168 : x
  2. Step 2: Convert to fraction form
    21,017,004/45,276,168 = 45,276,168/x
  3. Step 3: Cross multiply
    21,017,004x = 45,276,168 × 45,276,168
  4. Step 4: Simplify right side
    21,017,004x = 2,049,931,388,764,224
  5. Step 5: Solve for x
    x = 2,049,931,388,764,224/21,017,004
  6. Step 6: Final answer
    x = 97,536,803.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.