Finding the Third Proportional to 42,621,461 and 68,641,896
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Solution
The third proportional to 42,621,461 and 68,641,896 is: 110,547,826.75
Step by Step Solution
- Step 1: Write the proportion equation
42,621,461 : 68,641,896 = 68,641,896 : x - Step 2: Convert to fraction form
42,621,461/68,641,896 = 68,641,896/x - Step 3: Cross multiply
42,621,461x = 68,641,896 × 68,641,896 - Step 4: Simplify right side
42,621,461x = 4,711,709,886,474,816 - Step 5: Solve for x
x = 4,711,709,886,474,816/42,621,461 - Step 6: Final answer
x = 110,547,826.75
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Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.