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Finding the Third Proportional to 21,309,628 and 46,024,232

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Solution

The third proportional to 21,309,628 and 46,024,232 is: 99,402,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,309,628 : 46,024,232 = 46,024,232 : x
  2. Step 2: Convert to fraction form
    21,309,628/46,024,232 = 46,024,232/x
  3. Step 3: Cross multiply
    21,309,628x = 46,024,232 × 46,024,232
  4. Step 4: Simplify right side
    21,309,628x = 2,118,229,931,189,824
  5. Step 5: Solve for x
    x = 2,118,229,931,189,824/21,309,628
  6. Step 6: Final answer
    x = 99,402,482.82

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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.