Finding the Third Proportional to 979,020 and 2,075,490
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Solution
The third proportional to 979,020 and 2,075,490 is: 4,399,970.11
Step by Step Solution
- Step 1: Write the proportion equation
979,020 : 2,075,490 = 2,075,490 : x - Step 2: Convert to fraction form
979,020/2,075,490 = 2,075,490/x - Step 3: Cross multiply
979,020x = 2,075,490 × 2,075,490 - Step 4: Simplify right side
979,020x = 4,307,658,740,100 - Step 5: Solve for x
x = 4,307,658,740,100/979,020 - Step 6: Final answer
x = 4,399,970.11
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.